M 6.1 in Japan from 23 May 2012 15:02 UTC to 15:02

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.1M
Depth: 40.7 Km
Lat/Lon: 41.3782 , 142.073
Event Date: 23 May 2012 15:02 UTC
24 May 2012 00:02 Local
Exposed Population:
About 56898 people within 100km
Source: NEIC usb0009wev
Inserted at: 23 May 2012 15:28 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
usb0009wev Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
117138 0 23 May 2012 15:02 6.1M, 40.7km N/A 60 thousand (in 100km) 00:26 NEIC
117141 n.a 23 May 2012 15:02 6M, 71.4km N/A 50 thousand (in 100km) 01:50 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Japan , Region of Tohoku (population 9,984,608) . The nearest places are Shiriya, Shikkari, Sarugamori, Kodanosawa, Tomari, Mena, and Chikagawa.

Radius Population
100 km 170000 people
75 km 48000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Tohoku Japan 10 million people
Hokkaido Japan 5.8 million people
Sakhalinskaya oblast' Russian Federation 730000 people

Affected populated places

Name Region Province Country City class Population Distance
Shiriya Aomori Japan Village - 52 km
Shikkari Aomori Japan Village - 55 km
Sarugamori Aomori Japan Village - 58 km
Kodanosawa Aomori Japan Village - 59 km
Tomari Aomori Japan Village - 66 km
Mena Aomori Japan Village - 67 km
Chikagawa Aomori Japan Village - 69 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Misawa Naf MSJ 36 Mil. Paved Yes 10000 95 km

Ports

Name LOCODE Country Distance
Ominato JPOMT Japan 76 km
Ohata Japan 86 km

Nuclear plants

Name Country Reactors Distance
HIGASHI DORI JAPAN 1 65 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.